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Point imperfection: They are imperfect point-like regions in the crystal. One or two atomic diameters are the typical size of a point imperfection. A substitution impurity and an interstitial impurity are examples of point imperfection.
Q. What do you mean by Permissible level ? To regulate and enforce safety about the use of these synthetic colours and dyes PFA, 1954 has covered their use in part IV comprisin
what does ammonia gas and chloride mixed, make?
How many octahedral and tetrahedral voids are present in HCP? Ans) octa -no of atoms prsnt ,nd tetra -twice of it.
What is the excitation power that has been used? The absorption cross section is a significant parameter for the calculation of the expected fluorescence signal from a single m
Write down the chemical equation for this process:- Haber-Bosch Process
The phosphate of a metal has the formula MPO4 .The formula of its nitrate will be: (1) MNO 3 (2) M 2 (NO 3 ) 2
Ask question #Minimum 100 words acceWhen an electron beam strikes a block of copper, x-rays of frequency 1.07 x 10 19 Hz are emitted. What is the wavelength of these x-rays?pted#
WHAT CAUSES WIND
The atomic number of an element is 17. The number of orbitals containing electron pairs in its valence shell is: (1) Eight (2) Six (3) Three
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